`step7-workbook.de`

DNSSEC	⚠️ Not signed
A	78.47.63.67^{🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5}
		PTR	`dedi2893.your-server.de`
NS	`ns1.your-server.de` ⭐
		A	2a01:4f8:0:1::5ddc:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.your-server.de`
		A	213.133.100.102^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`ns1.your-server.de`
NS	`ns.second-ns.com`
		A	2a01:4f8:0:a101::b:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns.second-ns.com`
		A	213.239.204.242^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
			PTR	`ns.second-ns.com`
NS	`ns3.second-ns.de`
		A	2001:67c:192c::add:b3^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`ns3.second-ns.de`
		A	193.47.99.4^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`ns3.second-ns.de`
MX	`dedi2893.your-server.de` ⭐
		A	2a01:4f8:d0a:4248::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`dedi2893.your-server.de`
		A	78.47.63.67^{🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5}
			PTR	`dedi2893.your-server.de`
TXT	`v=spf1 a mx ~all`
SOA	`ns1.your-server.de`postmaster@your-server.de 2025-12-10 #0

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1773553752

Subdomains

mail.step7-workbook.de

Same first word

step7-workbook.de

DNS History

6 records (5 active, 1 former)

●NSns.second-ns.com2015-06-22 → 2026-03-23 · 2 obs

● 2015-06-22 00:10:50
● 2026-03-23 04:56:12

●NSns1.your-server.de2015-06-22 → 2026-03-23 · 2 obs

● 2015-06-22 00:10:50
● 2026-03-23 04:56:12

●NSns3.second-ns.de2015-06-22 → 2026-03-23 · 2 obs

● 2015-06-22 00:10:50
● 2026-03-23 04:56:12

●MXdedi2893.your-server.de2026-03-23 → 2026-03-23 · 2 obs

○ 2018-08-17 08:13:36
● 2026-03-23 04:56:12

○MXmail.step7-workbook.de2015-06-22 → 2018-08-17 · 3 obs

● 2015-06-22 00:10:50
● 2018-08-17 08:13:36
○ 2026-03-23 04:56:12

●A78.47.63.672015-06-22 → 2026-03-23 · 2 obs

● 2015-06-22 00:10:50
● 2026-03-23 04:56:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
step7-workbook.de	ns3.second-ns.de, ns.second-ns.com, ns1.your-server.de	4 records

✅ Authoritative Response

Server:193.47.99.4

NS records: ns3.second-ns.de, ns.second-ns.com, ns1.your-server.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for step7-workbook.de (unsigned zone)

⏱️ Timing

Total: 1063ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`78.47.63.67`
NS	3	`ns3.second-ns.de, ns.second-ns.com...`
MX	1	`dedi2893.your-server.de (pri: 10)`
TXT	1	`v=spf1 a mx ~all`
SOA	1	`ns1.your-server.de postmaster.your-serve`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns3.second-ns.de, ns1.your-server.de, ns3.second-ns.de...)

Analysis

Hierarchy

The parent of mail.step7-workbook.de is step7-workbook.de.

IP Addresses

step7-workbook.de points to a single IP number: 78.47.63.67.

Other host names, for instance dedi2893.your-server.de, factory-io.com, mail.mhj.de, www.mhj.de and mail.mhj-online.de share IP numbers with step7-workbook.de.

Name Servers

The domain step7-workbook.de is delegated to three name servers: ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.

step7-workbook.de shares name servers with other domains at least partially, for instance 36.119.168.in-addr.arpa, kern-com.de, kilab.de, 125.76.144.in-addr.arpa and dalby.be.

Host names with two IP numbers:

ns.second-ns.com points to 2a01:4f8:0:a101::b:1 and 213.239.204.242

ns3.second-ns.de points to 2001:67c:192c::add:b3 and 193.47.99.4

ns1.your-server.de points to 2a01:4f8:0:1::5ddc:1 and 213.133.100.102

Mail Servers

The mail server for step7-workbook.de is dedi2893.your-server.de.

step7-workbook.de shares the same mail server setup as other domains, including dedi2893.your-server.de, factory-io.com, mhj.de, mhj-software.com and mhj-online.de.

Host name dedi2893.your-server.de resolves to two IPs: 2a01:4f8:d0a:4248::2 and 78.47.63.67.

step7-workbook.de - robtex.com